Casting Balls with Exceptional Durability and Low Breakage Rate

• Customization: Available
• Standard: JIS, GB, DIN, BS, ASTM, AISI
• Application: Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
• Model NO.: DIA: 10mm-130mm
• Material: Iron
• Type: Wear Resistant Casting
• Breakage Rate: <1%
• Impact Value: >4j/Cm^2
• Grade: Cr10--28
• Hardness: 58-65HRC
• Microstructure: M+C
• Falling Ball Times: >10000
• Cast Ball Chrome: Cr1.0-28.0
• Heat Treatment: Quenching +Tempering
• Transport Package: Container Ton Bags or Steel Drums
• Specification: Size: 10mm-150mm
• Trademark: JINCHI
• Origin: China
• HS Code: 73261100
• Production Capacity: 100000tons/Year

Product Description

Unleash the unparalleled excellence of JINCHI products and suppliers, offered at unbeatable factory prices! Our superior Mines Equipment cast iron Ball Mill Grinding Media Steel Ball is meticulously engineered to deliver exceptional performance and durability.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands as a beacon of excellence and a professional powerhouse in the world of premium grinding products. We are thrilled to showcase an extraordinary collection of products, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Crafted with precision and aligned with international standards, our state-of-the-art facilities proudly boast a monumental annual production capacity exceeding 100,000 tons.

We earnestly look forward to your inquiries about our exceptional grinding balls. Rest assured, you will receive the most competitive prices without delay. Thank you for your esteemed interest.

Why Choose Us
High Our premium quality raw materials, sourced directly from the most reputable large steel mills, ensure our products stand out with exceptional excellence.
Advanced Our state-of-the-art automatic production lines ensure consistent, reliable, and outstanding manufacturing quality.
Strict Our stringent quality management processes, paired with exceptional after-sales service, promise complete customer satisfaction.
More With over twenty years of industry expertise, we possess unmatched knowledge and proficiency.
Advanced Our precise laboratory equipment is dedicated to detailed testing and rigorous quality assurance.
ISO9001, ISO14001, ISO45001, and SGS certifications, showcasing our steadfast commitment to quality and environmental excellence.
Our strategic position grants a swift four-hour access to Qingdao port, facilitating efficient and seamless export logistics.

Chemical Composition of forged steel balls

Materials	C%	Si%	Mn%	P%	S%	Cr%
B2	0.70-0.85	0.17-0.37	0.70-1.00	≤0.035	≤0.035	0.4-0.6
B2-1	0.55-0.70	0.15-0.30	0.65-0.85	≤0.020	≤0.020	0.70-1.10
High Carbon B2	0.85-1.10	0.15-0.45	0.40-1.20	≤0.035	≤0.035	0.20-1.10
B3	0.58-0.66	1.70-1.90	0.68-0.80	≤0.030	≤0.030	0.78-0.90
45#	0.42-0.50	0.17-0.37	0.5-0.8	≤0.035	≤0.035	0.25max
B4	0.65-0.75	1.20-1.40	0.50-0.70	≤0.025	≤0.025	0.85-1.00
B6	0.75-0.90	0.17-0.37	0.8-1.02	≤0.035	≤0.035	0.88-0.98
B6-1	0.82-0.90	0.15-0.35	0.90-1.05	≤0.020	≤0.020	0.88-0.98
42CrMo	0.38-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.90-1.20
40Cr	0.37-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.80-1.10
65MN	0.62-0.70	0.17-0.37	0.90-1.20	≤0.035	≤0.035	≤0.25
60MN	0.57-0.65	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25
50MN	0.48-0.56	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25

Specification ofGood Wear Resistance Forged Grinding Media Steel Mill Balls

Diameter(mm)	Diameter Tolerance(mm)	Surface Hardness(HRC)	Impact Toughness(j/cm2)
Φ20	+2, -1	>60HRC	≥12
Φ25
Φ30
Φ40
Φ50
Φ60	+3, -2
Φ70
Φ80
Φ90
Φ100	+4, -2
Φ110
Φ120		>58HRC
Φ130
Φ140	+4, -3	>55HRC
Φ150

Advantages:

1.Material Quality: By procuring our steel directly from Laigang Group and JIYUAN, the leading titans of China's steel industry for grinding ball production, we guarantee the highest material integrity.

2. Product Range: Our comprehensive portfolio addresses diverse customer needs, offering both cast and forged varieties in a broad spectrum.

3. Capacity: With an impressive production capacity of around 100,000 MT, we ensure seamless and reliable delivery of media to our valued clients.

4. Production Facility: Our cutting-edge automatic production lines deliver unparalleled quality consistency across every product.

5. Delivery: Our efficient automated production system promises swift delivery, often completing post-order confirmation within just 14 days, tailored to your specific requirements.

6. Quality Control: Within our specialized laboratory, we boast state-of-the-art testing equipment that ensures unwavering commitment to stringent quality standards at every stage of production, guaranteeing excellence in every casting ball we produce.


Manufacturing Process



At JINCHI, we pride ourselves on delivering top-tier products straight from distinguished suppliers. We provide unparalleled factory-direct pricing on vital mining equipment, such as our renowned cast iron Ball Mill Grinding Media Steel Ball.

Chemical Components
Type	Chemical components
	C	Si	Mn	Cr	Mo	Cu	P	S
Low-Cr	1.8-3.3	≤1.5	0.3-1.5	1-3	≤1.0	≤0.8	≤0.10	≤0.10
Medium-Cr	1.8-3.3	≤1.2	0.3-1.5	4-9	≤1.5	≤0.8	≤0.10	≤0.10
High-Cr	1.8-3.3	≤1.2	0.3-1.5	10-18	≤1.0	≤1.2	≤0.10	≤0.06
Superhigh-Cr	1.8-3.3	≤1.2	0.3-1.5	19-35	≤2.0	≤1.2	≤0.10	≤0.06

Nominal diameter (mm)	Weight of single ball  in average (g)	Quantity/ MT	Surface hardness	Endurance impact test (Times)
Φ15	13.8	72549	>60	>10000
Φ17	20.1	49838		>10000
Φ20	32.7	30607		>10000
Φ25	64	15671		>10000
Φ30	110	9069		>10000
Φ40	261	3826		>10000
Φ50	510	1959		>10000
Φ60	882	1134		>10000
Φ70	1401	714		>10000
Φ80	2091	478	>58	>10000
Φ90	2977	336		>10000
Φ100	4084	245		>8000
Φ120	7057	142		>8000
Φ130	8740	115		>8000

Certificates


FAQ

Q1: What is the advantage of your company?

A: Benefit from our 28 years of unrivalled experience as experts in steel ball manufacturing, where our commitment to superior craftsmanship and innovation is unmatched.

Q2. In which countries are your products sold?

A: Our products enjoy a widespread international reach, making significant impacts in markets across Mexico, Canada, Brazil, and spanning continents to include nations like Tanzania, Congo, South Africa, among others, with strategic operations from our prominent branch office in Australia.

Q3: Are you trading company or manufacturer?

A: We are a formidable manufacturing entity, proudly operating as a factory with in-depth industry expertise.

Q4: How long is your delivery time?

A: Our delivery schedule is impressively efficient, typically within a brisk 10-15 days, subject to order specifics.

Q5: Do you provide samples? Is it free or extra?

A: Certainly, we are delighted to offer free samples, although we do require that the freight expenses be borne by the recipient.

Q6: What is your terms of payment?

We provide adaptable payment options: T/T with a 30% advance and the remaining 70% due upon receiving the B/L copy.
OR L/C: Engage in secure transactions with a 100% Irrevocable letter of credit available at sight.